The Zero Hunger Challenge is the UN Secretary-General’s vision of an end to hunger in our lifetimes; achieved by ensuring that every man, woman and child enjoy their Right to Adequate Food; women are empowered; priority is given to family farming; and food systems everywhere are sustainable and resilient with no loss or waste of food.”

National Gardening Association offers one of the Web’s largest and most respected array of gardening content for backyard gardeners including “how to” information and free newsletters

Gardener’s Supply Company is an employee owned company that “is in business to spread the joys and rewards of gardening, because gardening nourishes the body, elevates the spirit, builds community and makes the world a better place.”

Feeding America is the nation’s leading domestic hunger-relief charity. Their mission is to feed America’s hungry through a nationwide network of member food banks and engage our country in the fight to end hunger

Grow a Row (the Canadian equivalent to AmpleHarvest.org) builds on the long-standing tradition of gardeners loving to share their harvest with others. It is a people-helping-people program to assist in feeding the hungry in their own communities

Wasted Food is a blog by author Jonathan Bloom that takes an in-depth look at food loss in America

The Cooperative Extension sites have a wealth of information for any backyard gardener. Once you go to the site (each one if very different from the others) look for a link for “homes and gardens”, “landscape”, “consumer horticulture”, etc. to find information on improving your backyard garden. Neighboring state sites may offer information your own state’s site lacks.